Radiator-valve.



F. SHELL.

RADIATOR VALVE. APPLOATION FILED SEPTA, 1912.

imam@ 3mm/Wo@ @www FRANK L. SHELL, OF DEADWOOD, SOUTH DAKOTA.

RADIATORTLVE.

Specification of Letters Patent.

ratentedoet. r, Tera.

` Application lecl September 4, 1912. Serial No. 718,525.

To all lwhom t may concern:

Be it known that I, FRANK L. SHELL, a citizen of the United States,residing at Deadwood, in the county of Lawrence and State of SouthDakota, have invented new and useful Improvements in IRadiator- Valves,of which the following is a specification.

This invention relates to steam inlet valves for the radiators of steamheating systems, the object of the invention being to provide aleak-proof valve which may be positively adjusted to accurate degrees toregulate the amount of steam supplied to the radiator, and to avoid thesupply of more steam than is required to heat the radiator properly. M

A further object of the invention is to provide a valve movable todetermined positions for admitting mo-re or less steam, and having meansforvindicating exteriorly the position which 1t occupies at any time.

A still further object of the invention is to provide a valve having apartition shell provided with rows of ports, and which is carried by thebonnet and removable therewith from the casing, so that a bonnet andpartition for supply'ng steam proportionate to the size or capacity ofthe radiator may be applied to a universal type of valve casing, thusenabling the steam valves of radiators of different sizes to be properlydesigned for supplying the requisite amount of steam to a number ofradiators of different sizes in a ready, convenient and economicalmanner.

The invention consists of the features of construction, combination andarrangement of parts, hereinafter fully described and claimed, referencebeing had to the accompanying drawings, in which Figure 1 is a verticallongitudinal section through a radiator inlet valve constructed inaccordance with my invention. Figs. 2, 3 and 4 are sections on the lines2-2, 3-3 and 4-4 of Fig. 1.

Referring to the drawings, 1 designates a valve casing formed to providea valve chamber 2 communicating at its bottom with an inlet 3 and at oneside with an outlet 4. The inlet 3 is internally threaded forc0nnection-with the steam supply pipe, while the outlet 4 is externallythreaded for coperation with a flanged coupling nut 5 for securing thesame to the flanged nipple 6 threaded in practice into the steam inletof the radiator. Formed at the point of communication of the chamber 2and inlet 3 is a valve seat 7 which is surrounded by an annulardepressed portion or groove 8.

The casing 1 is internally threaded at its upper end Ito receive thelower threaded end of .a bonnet 9, which is externally threaded at itsupper end to'receive the lower threadedend of a cap 10, said bonnet andcap being properly formed for the application of a wrench or similartool, whereby they may be applied and removed in a ready and convenientmanner. The bonnet carries at itS lower end a cylindrical shell 11 whichforms an annular partition within the chamber 2 to separate said chamberfrom direct communication with the inlet connection 3. The lower edge ofthis shell is arranged to bear against a packing ring 12 seated in thegroove 8, whereby leakage of steam between the chamber and shell at suchpoint of union is prevented. The shell is provided at one side with`rows -or series of ports 13, 14, 15 and 16, arranged at differentelevations, whereby a properly graded or proportioned supply of steam tothe radiator is insured, as hereinafter described.

The bonnet is provided with a comparatively coarse interior thread 17,which is engaged by a correspondingly threaded lower valve stem section18, which carries a valve disk 19 provided with a packing disk or washer20 to engage the seat 7, said disk or washer 2O being secured inposition by a clamping screw 21 and preferably being made of a suitableelastic composition to accommodate itself accurately and snugly to theseat 7 and revent leakage of steam at all times from t e inlet 3 to theinterior of the shell.

The 'threaded surfaces of the bonnet 9 and lower valve stem section 18are preferably so proportioned that upon successive quarter revolutionsof said stem section 18 on its valve opening movement, the valve will beraised tothe proper elevations to successively uncover the rows `ofports or passages 13, 14, 15 and 16, so that the amount' of steamsupplied to the radiator at any given time may be accurately gaged andregulated. The said lower valve stem section 18 is provided with alsquare or non-circular socket 22 to receive the lower squared ornon-circular end 23 of the upper valve stem section 24, the upperportion of which is circular in form and ings in the crown portion ofthe bonnet and extends upwardly through open-` ceive a handle 25 havinga pointer or indilthe heat and thus prevent the handle from cator 26 andsecured in osition by a screw 27 and washer 28. The liiandle 25 ispreferably provided with a grip portion of coiled wire of a gage toinsure quick radiation of becoming hot or heated to an objectionableeXtent. The pointer 26 is adapted to register with suit-able aduationson the crown ofwthe cap-10, said graduations being arranged atquarter/intervals corresponding to the number of rows of steam ports inthe partit-ion, whereby the valve may be accurately opened to anypredetermined extent and its osition at any time determined.

It wiil thus be understood that when the handleA is turned in onedirection or the other motion will be communicated from the noncircularportion of the upper stem section to the threaded lower stem section,whereby the valve willbe adjusted, the sliding connection betweensaidvalve sections permitting the upper valve section and related parts tobe removed for repairs or renewal without disturbing the 'remainder ofthe valve, and also permitting the threaded valve section to travelupwardlyA nd downwardly within the bonnet. In order to prevent theentrance of air to the interior of the valve, a suitable packing meansis arranged within the ca 10.f This comprises upper and` lower Solldwashers 29 and 30 arranged to bear against the crown portions of thecap-andbonnet, respectively. Slidably mounted onI the stem are followerwashers 31 and 32 arranged to coperate respectively with the 4washers 29and 30, between which respective pairsof washersand followers aredisposed series of packln disks 33 each comprising a plurality of disks,as

shown. VA spiral spring 34 incloses a stem between the .followers andexerts pressure' in both directions to force the followers against theirpacking disks, to crowd the saine in engagement with the bearingwashers, and thus providing tight joints to prevent the entrance of airthrough the valve into the radiator.

It will be understood from the foregoing description that upon adjustingthe handle from its normal or valve closing position to bringthe'pointer26 into registration with the lgraduations on the cap 10, thevalve will be successively'elevatedJto different posi- 'tions to uncoverthe series of ports in thev partition shell, so that the supply of steamto the radiator may be regulated and graded as desired, according to thecapacity of the radiator or to secure the radiation of more or less heatintopthe room or compartment in A seat, said valve may be adjusted withaccuracy to open or close the `valve to the desired extent. B employing`bonnets having shells in whic `the steam feed ports are varied inpractice and arrangement to suit any size of radiator,

a series of interchangeable bonnets and shells may be employed .inconnection with valve casings of a common or standard type, so that thevalves of different sized radiators in a building may be graded inproportion to the size of the radlator to regulate the maximum amount ofsteam fed thereto when the valves are fully open, in order that waste ofsteam may be prevented. Such construction ofl interchangeable bonnetsand shells enables the desired result to be secured in a ready andconvenient manner and at a less oost than where independent valves ofdifferent sizes are provided for connection with different sizedradiators.

Having thus described the invention, what I claim as new is:

1. A valve of the character described including a casing having a valveseat and a groove ordepression surroundin the same, a bonnet connectedwith the casing, a partition shell depending from 'the bonnet and havingits lower edge seated in Vsaid roove or depression, saidshell beingprovide with ports at different elevations therein, a packing ringseated in said groove or de ression and engaging the lower edge o the".-

shell, the lower valve stem section having a threaded engagement withthe, bonnet, .an upper valve stem section extending through the bonnetand cap and adjustably, connected with the lower valve stem section, a

handle connected with the upper valve stem v section, packing elementswithin the cap and bearing against and surrounding the stem, and aspring arranged between and acting to press said packing elementsagainst the crown portion ofthe bonnet and cap. l

2. A valve of the character vdescribed. in-

cluding a casing having a valve seat and a` or depression, said shellbeing provided with ports at different elevations therein, a packingring seated in said groove or depression and engaging the lower edge ofthe shell,

the 'lower valve stem section having a threaded engagement with thebonnet and provided with a non-circular socket, a valve having a gasketortionto enga e the valve eing connecte with said lower valve stemsection and adjustable thereby to uncover the ports in the shell, anupper valve stem section having a noncircular portion engaging thesocket -in the lower valve stem section, a handle connected with theupper Avalve stem section,

and means for'indicating the extent of adjustment of the handle andvalve.

3. A valve of the character described including a casing, a partitiontherein having ports at diiferent elevations, a bonnet carrying saidpartition, a cap connected with the bonnet, a Valve controlling theports in t-he partition, a lower valve stem section carrying the Valveand having a threaded engagement with the bonnet, an upper valve stemsection extendin through the bonnet and cap and adjustab y connectedwith the lower valve stem section, a handle connected with the uppervalve stem section, packing elements within the cap and bearing againstand surrounding the stem, and a spring arranged between and acting topress said packing elements against the crown portion of the bonnet andcap. I

4. A valve of the character described including a casing, a partitiontherein having ports at different elevations, a bonnet car- Iii? ryingsaid partition, a cap connected with the bonnet, a valve controlling theports in the partition, a lower valve stem sectlon carrying the valveand having a threaded engagement with the bonnet, and also having anon-circular socket, an upper valve stem section extending through thebonnet and cap and havin a non-circular portion engaging the soc et inthe lower valve stem section, a handle connected with the upper valvestem section, packing elements within the cap and bearing against andsurrounding the stem, and a spring arranged between' and acting to presssaid packing elements against the crown portion of the bonnet and IIIitestimony whereof I aliix my signature in presence of two witnesses.

FRANK L. SHELL.

Witnesses:

GEO. F. BAGGALEY, JOHN BAGGALEY.

